Select the Pathway That Would Lead to the Activation of B

Select the pathway that would lead to the activation of B cells in the humoral immune response.

A) B cell internalizes antigen → helper T cell binds to class II MHC molecule-antigen complex → B cell proliferates and differentiates → activated helper T cell binds to B cell and releases cytokines
B) self-tolerance of immune cells → B cells contact antigen → cytokines released
C) complement is secreted → B cell contacts antigen → helper T cell activated → cytokines released
D) B cell internalizes antigen → class II MHC molecule-antigen complex displayed→ activated helper T cell binds to B cell and releases cytokines → B cell proliferates and differentiates
E) natural killer cells → class II MHC molecule-antigen complex displayed → cytokines released → cell lysis

Correct Answer:

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